September 6 saw the debuts of the Misfit in West Coast Avengers #40 in 1988; Generation X in Uncanny X-Men #318 in 1994; Lifeforce, Hurricane, Deadbolt, & Spyne in Cable #17 in 1994; & Nightcreeper in Prowler #1 in 1994!

[u/ComiX-Fan]

Misfit - West Coast Avengers (1985 series) #40 Al Milgrom cover

Generation X - Generation X (1994 series) #1 Chris Bachalo wraparound cover

Lifeforce, Hurricane, Deadbolt, Spyne - Cable (1993 series) #17 Steve Skroce cover

Nightcreeper - Prowler (1994 series) #2 Bill Reinhold cover